18221040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25307}}^1$

素因数の和:25326

約数の個数: 60

約数和(自身を含む): 61194744

約数和(自身を除く): 42973704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25307, 50614, 75921, 101228, 126535, 151842, 202456, 227763, 253070, 303684, 379605, 404912, 455526, 506140, 607368, 759210, 911052, 1012280, 1138815, 1214736, 1518420, 1822104, 2024560, 2277630, 3036840, 3644208, 4555260, 6073680, 9110520, 18221040]

約数ペア:

[(1, 18221040), (2, 9110520), (3, 6073680), (4, 4555260), (5, 3644208), (6, 3036840), (8, 2277630), (9, 2024560), (10, 1822104), (12, 1518420), (15, 1214736), (16, 1138815), (18, 1012280), (20, 911052), (24, 759210), (30, 607368), (36, 506140), (40, 455526), (45, 404912), (48, 379605), (60, 303684), (72, 253070), (80, 227763), (90, 202456), (120, 151842), (144, 126535), (180, 101228), (240, 75921), (360, 50614), (720, 25307)]